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bug#32167: Kernel 'build' directory in the store is a broken symbolic li

From: Ludovic Courtès
Subject: bug#32167: Kernel 'build' directory in the store is a broken symbolic link
Date: Mon, 23 Jul 2018 15:00:57 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)


Mark H Weaver <address@hidden> skribis:

> Danny Milosavljevic <address@hidden> writes:
>> On Mon, 16 Jul 2018 18:55:11 +0100 (BST)
>> <address@hidden> wrote:
>>> It would be good to keep the build directory though, since it's
>>> expected to exist, and it's easier to just download a module's
>>> source and compile it and test it.
>> I agree.
>> /run/booted-system/kernel/lib/modules/4.17.3-gnu is in the store
>> anyway so it will be seen by the GC.
>> The fix would be in linux-libre.
> If we were to preserve the kernel build directory as a store item, and
> keep a link from the modules directory to the build directory, that
> would greatly increase the size of the most minimal system that users
> could build.

Yeah, we shouldn’t do that IMO.

> If the intent here is to allow support for out-of-tree kernel modules,
> then fixing these symlinks would not solve the problem, and it's not
> clear to me that fixing them would be part of a proper solution on
> GuixSD.  GuixSD is not a system where you can simply compile a kernel
> module manually and install it, because our module directory is
> immutable.  If the goal is to support building out-of-tree kernel
> modules, that's a separate discussion that deserves its own "wishlist"
> bug report, I think.

I agree.


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